Re: Crash with 2.6.27-rc6 with iwlwifi

[Marcel Holtmann <holtmann@linux.intel.com>]

Hi Yi,

> > It should be triggered by the BUG_ON() in the function. Are you able to
> > confirm it with netconsole or maybe even a frame buffer enabled console
> > (it just shows more lines)? If this is the culprit, Tomas has been
> > already working on it. But your BT coexist finding should help us
> > reproducing the bug.
> > http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1703
> 
> so I was looking through the bug and switched some options around based
> on wild assumptions made in that bug. The current settings are this:
> 
> CONFIG_IWLWIFI=m
> CONFIG_IWLCORE=m
> # CONFIG_IWLWIFI_LEDS is not set
> CONFIG_IWLWIFI_RFKILL=y
> # CONFIG_IWLWIFI_DEBUG is not set
> CONFIG_IWLAGN=m
> # CONFIG_IWLAGN_SPECTRUM_MEASUREMENT is not set
> # CONFIG_IWLAGN_LEDS is not set
> CONFIG_IWL4965=y
> # CONFIG_IWL5000 is not set
> # CONFIG_IWL3945 is not set
> 
> these seem to be stable and have no problems. I tried to crash the
> kernel, but didn't manage it.
> 
> Previously I had IWLWIFI_RFKILL off (wich was an oversight) and
> IWLAGN_LEDS on.
> 
> So my guess is either disabling RFKILL or enabling LEDS makes the
> difference. This is another reason to not have all these config options,
> because nobody find any bugs :(

I take this back. It took a couple of hours, but it crashed again.

Regards

Marcel